Lost Jitte is a mythic Legendary Artifact — Equipment card from The Big Score (BIG), collector number 88. Current market price: $8.46 (foil $9.41), TCGplayer market prices via Scryfall.
Whenever equipped creature deals combat damage, put a charge counter on Lost Jitte. Remove a charge counter from Lost Jitte: Choose one — • Untap target land. • Target creature can't block this turn. • Put a +1/+1 counter on equipped creature. Equip {1}